u-boot: spl-da: new fastboot buffer addr based on new malloc length
On U-Boot SPL the malloc address is set to 0x50000000 with length 0x18000000.
That means fastboot buffer address must be placed after that to avoid overlapping.
On U-Boot SPL the malloc address is set to 0x50000000 with length 0x18000000.
That means fastboot buffer address must be placed after that to avoid overlapping.